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    4. can i get an operating hydrogen ballon?
    can i get an operating hydrogen ballon?

    i want to design a hyrokite for scaring birds in rice fields

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    0  Views: 480 Answers: 1 Posted: 13 years ago
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      A very primitive device! Depends on what you mean by ""Get".

      You can make or buy hydrogen... And use any balloon to put it in.
      13 years ago. Rating: 0
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